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Stargazing: Getting Started

Gas Dwarfs

Data from NASA's Kepler space telescope point to three distinct molds of exoplanets — rocky worlds, gas dwarfs, and ice/gas giants — distinguishable based on the abundances of heavy elements in their host star’s atmosphere.

Featured Observing Resources

Sky and Telescope’s beloved Earth Globe is now available in a smaller 6-inch size! The detailed globe includes a freestanding base and information card filled with key features. Hold the whole world in your hands today!